A voting machine in Pennsylvania has been captured on video appearing to turn a vote for Barack Obama into one for Mitt Romney.

A video posted to YouTube on Tuesday by the user 'centralpavoter' shows a finger pressing the button to cast a vote for the president, only for it to try and register a vote for his Republican challenger.

NBC News has confirmed that the machine has since been taken out of service. The user who posted the video said that they were happy to provide the raw footage to prove it was real.

The user explained what happened: "My wife and I went to the voting booths this morning before work.

"There were 4 older ladies running the show and 3 voting booths that are similar to a science fair project in how they fold up. They had an oval VOTE logo on top center and a cartridge slot on the left that the volunteers used to start your ballot.

"I initially selected Obama but Romney was highlighted. I assumed it was being picky so I deselected Romney and tried Obama again, this time more carefully, and still got Romney. Being a software developer, I immediately went into troubleshoot mode.

"I first thought the calibration was off and tried selecting Jill Stein to actually highlight Obama. Nope. Jill Stein was selected just fine. Next I deselected her and started at the top of Romney's name and started tapping very closely together to find the 'active areas'.

"From the top of Romney's button down to the bottom of the black checkbox beside Obama's name was all active for Romney. From the bottom of that same checkbox to the bottom of the Obama button (basically a small white sliver) is what let me choose Obama. Stein's button was fine. All other buttons worked fine.

"I asked the voters on either side of me if they had any problems and they reported they did not. I then called over a volunteer to have a look at it. She him hawed for a bit then calmly said 'It's nothing to worry about, everything will be OK.' and went back to what she was doing. I then recorded this video."

A person walks through a makeshift shelter in a gymnasium at Toms River East High School as they arrive to vote Tuesday, Nov. 6, 2012, in Toms River, N.J. N.J. Voter turnout was heavy in several storm-ravaged Jersey Shore towns, with many voters expressing relief and even elation at being able to vote at all, considering the devastation. (AP Photo/Mel Evans)

Don Dunkelburger, of Seaside Heights, N.J., takes a smoke break outside a shelter and polling station at Toms River East High School Tuesday, Nov. 6, 2012. Dunkelburger, who lost his home and was staying in the shelter, said he was not clear on where he was supposed to vote Tuesday. (AP Photo/Mel Evans)

A person walks through a makeshift shelter in a gymnasium at Toms River East High School as they arrive to vote Tuesday, Nov. 6, 2012, in Toms River, N.J. (AP Photo/Mel Evans)

Voters wait in line to cast their ballots at the Mauldin Fire Station on Election Day, Tuesday, Nov. 6, 2012, in Mauldin, S.C. (AP Photo/Rainier Ehrhardt)

Voters fill out their ballots under a tent at a consolidated polling station for residents of the Rockaways on election day, Tuesday, Nov. 6, 2012, in the Queens borough of New York. Election Day turnout was heavy in several storm-ravaged areas in New York and New Jersey, with many voters expressing relief and even elation at being able to vote at all, considering the devastation. (AP Photo/Jason DeCrow)

Voters wait in line to cast their ballots at the Mauldin Fire Station on Election Day, Tuesday, Nov. 6, 2012, in Mauldin, S.C. (AP Photo/Rainier Ehrhardt)

Vice President Joe Biden speaks with members of the media after voting at Alexis I. duPont High School, Tuesday, Nov. 6, 2012, in Greenville, Del. (AP Photo/Matt Rourke)

Election workers help a voter, right, finalize his affidavit ballot at a consolidated polling station for residents of the Rockaways on Election Day, Tuesday, Nov. 6, 2012, in the Queens borough of New York. Election Day turnout was heavy in several storm-ravaged areas in New York and New Jersey, with many voters expressing relief and even elation at being able to vote at all, considering the devastation. (AP Photo/Jason DeCrow)

James Ventresca, left, and Claudia Welch fill out their ballots at Town Hall on Election Day, Tuesday, Nov. 6, 2012 in Calais, Vt. (AP Photo/Toby Talbot)

Election Judge Victoria Collwell places a "vote here" sign in the ground in front of the Argusville Firehall Community Center in rural Cass County just before the polls open on Election Day in Argusville, N.D, Tuesday, Nov. 6, 2012. (AP Photo/LM Otero)

U.S. Sen. Scott Brown, R-Mass., picks up his ballot with his daughter Arianna, left, to cast his vote in Wrentham, Mass., on Election Day, Tuesday, Nov. 6, 2012. Brown is facing Democratic candidate Elizabeth Warren for the U.S. Senate. (AP Photo/Gretchen Ertl)

Voters check in before casting their ballots under a tent at a consolidated polling station for residents of the Rockaways on Election Day, Tuesday, Nov. 6, 2012, in the Queens borough of New York. Election Day turnout was heavy in several storm-ravaged areas in New York and New Jersey, with many voters expressing relief and even elation at being able to vote at all, considering the devastation. (AP Photo/Jason DeCrow)

Voters line up before dawn at the Washington Mill Elementary School near Mount Vernon in Fairfax County, Va., Tuesday, Nov. 6, 2012. Fairfax County is a Washington suburb and is the biggest battleground in Virginia, which is a key swing state in Tuesday's presidential and senator election. (AP Photo/J. Scott Applewhite)

Election workers help a voter, right, finalize his affidavit ballot at a consolidated polling station for residents of the Rockaways on Election Day, Tuesday, Nov. 6, 2012, in the Queens borough of New York. Election Day turnout was heavy in several storm-ravaged areas in New York and New Jersey, with many voters expressing relief and even elation at being able to vote at all, considering the devastation. (AP Photo/Jason DeCrow)

Voters wait outside the Metropolitan AME Church polling station to cast their ballots in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

MANCHESTER, NH - NOVEMBER 6: Tom Hoisington (R) raises his right hand along with grandson Tonykus Hebert, 6, after being registered to vote at the Bishop Leo O'Neil Youth Center on November 6, 2012 in Manchester, New Hampshire. The swing state of New Hampshire is recognised to be a hotly contested battleground that offers 4 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Darren McCollester/Getty Images)

ALEXANDRIA, VA - NOVEMBER 06: People wait inside Washington Mill Elementary School to cast their vote in the U.S. presidential race, on November 6, 2012, in Alexandria, Virginia. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Patrick Smith/Getty Images)

ALEXANDRIA, VA - NOVEMBER 06: People wait inside Washington Mill Elementary School to cast their vote in the U.S. presidential race, on November 6, 2012, in Alexandria, Virginia. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Patrick Smith/Getty Images)

ALEXANDRIA, VA - NOVEMBER 06: People wait inside Washington Mill Elementary School to cast their vote in the U.S. presidential race, on November 6, 2012, in Alexandria, Virginia. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Patrick Smith/Getty Images)

MANCHESTER, NH - NOVEMBER 6: Voters cast their ballots at the Bishop Leo O'Neil Youth Center on November 6, 2012 in Manchester, New Hampshire. The swing state of New Hampshire is recognised to be a hotly contested battleground that offers 4 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Darren McCollester/Getty Images)

MANCHESTER, NH - NOVEMBER 6: Voters cast their ballots at the Bishop Leo O'Neil Youth Center on November 6, 2012 in Manchester, New Hampshire. The swing state of New Hampshire is recognised to be a hotly contested battleground that offers 4 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Darren McCollester/Getty Images)

MANCHESTER, NH - NOVEMBER 6: Voters cast their ballots at the Bishop Leo O'Neil Youth Center on November 6, 2012 in Manchester, New Hampshire. The swing state of New Hampshire is recognised to be a hotly contested battleground that offers 4 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Darren McCollester/Getty Images)

STERLING HEIGHTS, MI, - NOVEMBER 6: A young boy reads a book while his parent votes in the U.S. presidential election at Carleton Middle School November 6, 2012 in Sterling Heights, Michigan. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Bill Pugliano/Getty Images)

MANCHESTER, NH - NOVEMBER 6: Voters cast their ballots at the Bishop Leo O'Neil Youth Center on November 6, 2012 in Manchester, New Hampshire. The swing state of New Hampshire is recognised to be a hotly contested battleground that offers 4 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Darren McCollester/Getty Images)

MANCHESTER, NH - NOVEMBER 6: Voters cast their ballots at the Bishop Leo O'Neil Youth Center on November 6, 2012 in Manchester, New Hampshire. The swing state of New Hampshire is recognised to be a hotly contested battleground that offers 4 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Darren McCollester/Getty Images)

MANCHESTER, NH - NOVEMBER 6: Voters cast their ballots at the Bishop Leo O'Neil Youth Center on November 6, 2012 in Manchester, New Hampshire. The swing state of New Hampshire is recognised to be a hotly contested battleground that offers 4 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Darren McCollester/Getty Images)

ALEXANDRIA, VA - NOVEMBER 06: People wait inside Washington Mill Elementary School to cast their vote in the U.S. presidential race, on November 6, 2012, in Alexandria, Virginia. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Patrick Smith/Getty Images)

MANCHESTER, NH - NOVEMBER 6: Tom Hoisington (R) raises his right hand along with grandson Tonykus Hebert, 6, after being registered to vote at the Bishop Leo O'Neil Youth Center on November 6, 2012 in Manchester, New Hampshire. The swing state of New Hampshire is recognised to be a hotly contested battleground that offers 4 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Darren McCollester/Getty Images)

A poll worker (L) helps a voter (R) with her ballot in the US presidential election November 6, 2012 at a polling station in Chicago, Illinois. The final national polls showed an effective tie, with either US President Barack Obama or Republican challenger Mitt Romney favored by a single point in most surveys, reflecting the polarized politics of a deeply divided nation. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

Citizens vote in the US presidential election November 6, 2012 at a polling station in Chicago, Illinois. The final national polls showed an effective tie, with either US President Barack Obama or Republican challenger Mitt Romney favored by a single point in most surveys, reflecting the polarized politics of a deeply divided nation. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

Voters wait outside the Metropolitan AME Church polling station to cast their ballots in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

A voter prepares to cast her vote in the US presidential election November 6, 2012 at a polling station in Chicago, Illinois. The final national polls showed an effective tie, with either US President Barack Obama or Republican challenger Mitt Romney favored by a single point in most surveys, reflecting the polarized politics of a deeply divided nation. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

MANCHESTER, NH - NOVEMBER 6: Voters cast their ballots at the Bishop Leo O'Neil Youth Center on November 6, 2012 in Manchester, New Hampshire. The swing state of New Hampshire is recognised to be a hotly contested battleground that offers 4 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Darren McCollester/Getty Images)

Citizens wait in line to vote in the US presidential election November 6, 2012 at a polling station in a senior appartment complex in Chicago, Illinois. The final national polls showed an effective tie, with either US President Barack Obama or Republican challenger Mitt Romney favored by a single point in most surveys, reflecting the polarized politics of a deeply divided nation. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

A voter casts her ballot at one of five machines at the Stonewall Middle School November 6, 2012 in Manassas, Prince William County, Virginia. After a long and bitter White House campaign, Americans began casting their votes on Tuesday with polls showing President Barack Obama and Republican challenger Mitt Romney neck-and-neck in an election that will be decided in a handful of states. AFP PHOTO/Karen BLEIER (Photo credit should read KAREN BLEIER/AFP/Getty Images)

MANCHESTER, NH - NOVEMBER 6: Voters cast their ballots at the Bishop Leo O'Neil Youth Center on November 6, 2012 in Manchester, New Hampshire. The swing state of New Hampshire is recognised to be a hotly contested battleground that offers 4 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Darren McCollester/Getty Images)

Voters cast their ballots at the Stonewall Middle School November 6, 2012 in Manassas, Prince William County, Virginia. After a long and bitter White House campaign, Americans began casting their votes on Tuesday with polls showing President Barack Obama and Republican challenger Mitt Romney neck-and-neck in an election that will be decided in a handful of states. AFP PHOTO/Karen BLEIER (Photo credit should read KAREN BLEIER/AFP/Getty Images)

Citizens wait in line to vote in the US presidential election November 6, 2012 at a polling station in a senior appartment complex in Chicago, Illinois. The final national polls showed an effective tie, with either US President Barack Obama or Republican challenger Mitt Romney favored by a single point in most surveys, reflecting the polarized politics of a deeply divided nation. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

STERLING HEIGHTS, MI, - NOVEMBER 6: A U.S. citizen votes in the presidential election at Carleton Middle School November 6, 2012 in Sterling Heights, Michigan. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Bill Pugliano/Getty Images)

ST. PETERSBURG, FL - NOVEMBER 6: Voters wait in line and the rain to cast their vote on November 6, 2012 in St. Petersburg, Florida. The swing state of Florida is recognised to be a hotly contested battleground that offers 29 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Edward Linsmier/Getty Images)

Voters wait outside the Metropolitan AME Church polling station to cast their ballots in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

ST. PETERSBURG, FL - NOVEMBER 6: Lines of voters wait to cast their ballots as the polls open on November 6, 2012 in St. Petersburg, Florida. The swing state of Florida is recognised to be a hotly contested battleground that offers 29 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Edward Linsmier/Getty Images)

STERLING HEIGHTS, MI, - NOVEMBER 6: A young boy reads a book while his parent votes in the U.S. presidential election at Carleton Middle School November 6, 2012 in Sterling Heights, Michigan. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Bill Pugliano/Getty Images)

ST. PETERSBURG, FL - NOVEMBER 6: Lines of voters wait to cast their ballots as the polls open on November 6, 2012 in St. Petersburg, Florida. The swing state of Florida is recognised to be a hotly contested battleground that offers 29 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Edward Linsmier/Getty Images)

ST. PETERSBURG, FL - NOVEMBER 6: Lines of voters wait to cast their ballots as the polls open on November 6, 2012 in St. Petersburg, Florida. The swing state of Florida is recognised to be a hotly contested battleground that offers 29 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Edward Linsmier/Getty Images)

ST. PETERSBURG, FL - NOVEMBER 6: Voters wait to cast their ballots on November 6, 2012 in St. Petersburg, Florida. The swing state of Florida is recognised to be a hotly contested battleground that offers 29 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Edward Linsmier/Getty Images)

Voters kiss while waiting outside the polling station to cast their ballots at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Voters wait outside the polling station to cast their ballots at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

MANCHESTER, NH - NOVEMBER 6: People are helped with same day registration as voters cast their ballots at the Bishop Leo O'Neil Youth Center on November 6, 2012 in Manchester, New Hampshire. The swing state of New Hampshire is recognised to be a hotly contested battleground that offers 4 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Darren McCollester/Getty Images)

Voters wait to vote at the Stonewall Middle School November 6, 2012 in Manassas, Prince William County, Virginia. After a long and bitter White House campaign, Americans began casting their votes on Tuesday with polls showing President Barack Obama and Republican challenger Mitt Romney neck-and-neck in an election that will be decided in a handful of states. AFP PHOTO/Karen BLEIER (Photo credit should read KAREN BLEIER/AFP/Getty Images)

Election officials(R) verify addresses of voters at the Stonewall Middle School November 6, 2012 in Manassas, Prince William County, Virginia. After a long and bitter White House campaign, Americans began casting their votes on Tuesday with polls showing President Barack Obama and Republican challenger Mitt Romney neck-and-neck in an election that will be decided in a handful of states. AFP PHOTO/Karen BLEIER (Photo credit should read KAREN BLEIER/AFP/Getty Images)

Voters cast their ballots at the Stonewall Middle School November 6, 2012 in Manassas, Prince William County, Virginia. After a long and bitter White House campaign, Americans began casting their votes on Tuesday with polls showing President Barack Obama and Republican challenger Mitt Romney neck-and-neck in an election that will be decided in a handful of states. AFP PHOTO/Karen BLEIER (Photo credit should read KAREN BLEIER/AFP/Getty Images)

People wait in line to vote at a polling station in a senior appartment complex in Chicago, Illinois in the US presidential election November 6, 2012 . The final national polls showed an effective tie, with either US President Barack Obama or Republican challenger Mitt Romney favored by a single point in most surveys, reflecting the polarized politics of a deeply divided nation. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

A elderly woman holds her voting receipt after voting at a polling station in a senior appartment complex in Chicago, Illinois in the US presidential election November 6, 2012 . The final national polls showed an effective tie, with either US President Barack Obama or Republican challenger Mitt Romney favored by a single point in most surveys, reflecting the polarized politics of a deeply divided nation. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

Voters wait outside the polling station to cast their ballots at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Voters wait inside the polling station to cast their ballots at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

MANCHESTER, NH - NOVEMBER 6: Voters cast their ballots at the Bishop Leo O'Neil Youth Center on November 6, 2012 in Manchester, New Hampshire. The swing state of New Hampshire is recognised to be a hotly contested battleground that offers 4 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Darren McCollester/Getty Images)

Voters wait outside the polling station to cast their ballots at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Voters lined up to cast their vote at the Boston Public Library November 6, 2012 in Boston, Massachusetts. The final national polls showed an effective tie, with either US President Barack Obama or Republican challenger Mitt Romney favored by a single point in most surveys. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)

Voters wait outside the polling station to cast their ballots at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Voters wait outside the polling station to cast their ballots at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

STERLING HEIGHTS, MI, - NOVEMBER 6: U.S. citizens wait in line at a school gymnasium to vote in the presidential election at Carleton Middle School November 6, 2012 in Sterling Heights, Michigan. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Bill Pugliano/Getty Images)

STERLING HEIGHTS, MI, - NOVEMBER 6: U.S. citizens line up to vote in the presidential election at Carleton Middle School November 6, 2012 in Sterling Heights, Michigan. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Bill Pugliano/Getty Images)

STERLING HEIGHTS, MI, - NOVEMBER 6: U.S. citizens vote in the presidential election at Carleton Middle School November 6, 2012 in Sterling Heights, Michigan. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Bill Pugliano/Getty Images)

STERLING HEIGHTS, MI, - NOVEMBER 6: A U.S. citizen votes in the presidential election at Carleton Middle School November 6, 2012 in Sterling Heights, Michigan. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Bill Pugliano/Getty Images)

STERLING HEIGHTS, MI, - NOVEMBER 6: U.S. citizens vote in the presidential election at Carleton Middle School November 6, 2012 in Sterling Heights, Michigan. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Bill Pugliano/Getty Images)

STERLING HEIGHTS, MI, - NOVEMBER 6: U.S. citizens vote in the presidential election at Carleton Middle School November 6, 2012 in Sterling Heights, Michigan. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Bill Pugliano/Getty Images)

Voters wait outside the polling station to cast their ballots at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

MANCHESTER, NH - NOVEMBER 6: A young woman is helped with registering as voters cast their ballots at the Bishop Leo O'Neil Youth Center on November 6, 2012 in Manchester, New Hampshire. The swing state of New Hampshire is recognised to be a hotly contested battleground that offers 4 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Darren McCollester/Getty Images)

This photo shows about half of the line waiting to vote, only some twenty minutes into the voting day at the Stonewall Middle School November 6, 2012 in Manassas, Prince William County, Virginia. After a long and bitter White House campaign, Americans began casting their votes on Tuesday with polls showing President Barack Obama and Republican challenger Mitt Romney neck-and-neck in an election that will be decided in a handful of states. AFP PHOTO/Karen BLEIER (Photo credit should read KAREN BLEIER/AFP/Getty Images)

Election officials verify addresses of voters at the polling station at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

STERLING HEIGHTS, MI, - NOVEMBER 6: U.S. citizens line up to vote in the presidential election at Carleton Middle School November 6, 2012 in Sterling Heights, Michigan. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Bill Pugliano/Getty Images)

STERLING HEIGHTS, MI, - NOVEMBER 6: U.S. citizens vote in the presidential election at Carleton Middle School November 6, 2012 in Sterling Heights, Michigan. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by Bill Pugliano/Getty Images)

Election officials verify addresses of voters at the polling station at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Election officials verify addresses of voters at the polling station at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Election officials verify addresses of voters at the polling station at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Election officials verify addresses of voters at the polling station at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Election officials verify addresses of voters at the polling station at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Voters lined up to cast their vote at the Boston Public Library November 6, 2012 in Boston, Massachusetts. The final national polls showed an effective tie, with either US President Barack Obama or Republican challenger Mitt Romney favored by a single point in most surveys. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)

A man casts his ballot at the Stonewall Middle School November 6, 2012 in Manassas, Prince William County, Virginia. After a long and bitter White House campaign, Americans began casting their votes on Tuesday with polls showing President Barack Obama and Republican challenger Mitt Romney neck-and-neck in an election that will be decided in a handful of states. AFP PHOTO/Karen BLEIER (Photo credit should read KAREN BLEIER/AFP/Getty Images)

Voters lined up to cast their vote at the Boston Public Library November 6, 2012 in Boston, Massachusetts. The final national polls showed an effective tie, with either US President Barack Obama or Republican challenger Mitt Romney favored by a single point in most surveys. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)

Election officials verify addresses of voters at the polling station at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Voters line up to cast their vote at the Boston Public Library November 6, 2012 in Boston, Massachusetts. The final national polls showed an effective tie, with either US President Barack Obama or Republican challenger Mitt Romney favored by a single point in most surveys. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)

Voters line up to cast their vote at the Boston Public Library November 6, 2012 in Boston, Massachusetts. The final national polls showed an effective tie, with either US President Barack Obama or Republican challenger Mitt Romney favored by a single point in most surveys. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)

Election officials verify addresses of voters at the polling station at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Voters line up to cast their vote at the Boston Public Library November 6, 2012 in Boston, Massachusetts. The final national polls showed an effective tie, with either US President Barack Obama or Republican challenger Mitt Romney favored by a single point in most surveys. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)

Election officials verify addresses of voters at the polling station at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Voters wait outside the polling station to cast their ballots at Metropolitan AME Church in Washington, DC on November 6, 2012. Americans headed to the polls Tuesday after a burst of last-minute campaigning by President Barack Obama and Mitt Romney in a nail-biting contest unlikely to heal a deeply polarized nation. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

A voter fills out paper ballots at the Old Stone Church during election day November 6, 2012 in Cleveland, Ohio. Citizens around the United States head to the polls to vote on the country's next president including in Ohio, a state with 18 electoral votes, were the race between US President Barack Obama and Mitt Romney is very close. AFP PHOTO/Brendan SMIALOWSKI (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)

A voter fills out a paper ballot at the Old Stone Church during election day November 6, 2012 in Cleveland, Ohio. Citizens around the United States head to the polls to vote on the country's next president including in Ohio, a state with 18 electoral votes, were the race between US President Barack Obama and Mitt Romney is very close. AFP PHOTO/Brendan SMIALOWSKI (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)

Voters wait to submit their paper ballots after voting at the Old Stone Church during election day November 6, 2012 in Cleveland, Ohio. Citizens around the United States head to the polls to vote on the country's next president including in Ohio, a state with 18 electoral votes, were the race between US President Barack Obama and Mitt Romney is very close. AFP PHOTO/Brendan SMIALOWSKI (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)

CRAWFORDVILLE, FL - NOVEMBER 6: A poll worker holds up the line just after dawn as voters queue to place their ballots at the tiny County Polling House in the Ivan Community of Wakulla County on November 6, 2012 in Crawfordville, Florida. The swing state of Florida is recognised to be a hotly contested battleground that offers 29 electoral votes, as recent polls predict that the race between U.S. President Barack Obama and Republican presidential candidate Mitt Romney remains tight. (Photo by Mark Wallheiser/Getty Images)